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Code

reset reachable_pkg in the instantiation process and restore on inst_revert

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Before, it was reset outside and not restored when instatiation failed.
This caused fped to segfault.
This commit is contained in:
Werner Almesberger 2012-05-28 23:58:05 -03:00
parent 5d76af2d7c
commit 59b90b3054
2 changed files with 4 additions and 2 deletions
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1
gui.c
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@ -328,7 +328,6 @@ void change_world(void)
status_begin_reporting(); status_begin_reporting();
before = inst_get_bbox(); before = inst_get_bbox();
reachable_is_active = reachable_pkg && reachable_pkg == active_pkg; reachable_is_active = reachable_pkg && reachable_pkg == active_pkg;
reachable_pkg = NULL;
instantiate(); instantiate();
if (reachable_is_active && reachable_pkg && if (reachable_is_active && reachable_pkg &&
reachable_pkg != active_pkg) { reachable_pkg != active_pkg) {

5
inst.c
View File

@ -38,7 +38,7 @@ struct pkg *pkgs, *active_pkg, *curr_pkg;
struct pkg *reachable_pkg = NULL; struct pkg *reachable_pkg = NULL;
struct inst *frame_instantiating = NULL; struct inst *frame_instantiating = NULL;
static struct pkg *prev_pkgs; static struct pkg *prev_pkgs, *prev_reachable_pkg;
static unsigned long active_set = 0; static unsigned long active_set = 0;
@ -1248,7 +1248,9 @@ void inst_start(void)
active_frame_bbox = bbox_zero; active_frame_bbox = bbox_zero;
prev_pkgs = pkgs; prev_pkgs = pkgs;
prev_reachable_pkg = reachable_pkg;
pkgs = NULL; pkgs = NULL;
reachable_pkg = NULL;
inst_select_pkg(NULL, 0); inst_select_pkg(NULL, 0);
curr_pkg = pkgs; curr_pkg = pkgs;
frame_instantiating = NULL; frame_instantiating = NULL;
@ -1274,6 +1276,7 @@ void inst_revert(void)
{ {
free_pkgs(pkgs); free_pkgs(pkgs);
pkgs = prev_pkgs; pkgs = prev_pkgs;
reachable_pkg = prev_reachable_pkg;
} }